./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/fermat1-ll.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/fermat1-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:02,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:02,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:02,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:02,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:02,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:02,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:02,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:02,419 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:02,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:02,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:02,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:02,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:02,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:02,422 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:02,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:02,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:02,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:02,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:02,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:02,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:02,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:02,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:02,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:02,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:02,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:02,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:02,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:02,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:02,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:02,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:02,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:02,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:02,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:02,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:02,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:02,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:02,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:02,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:02,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:02,429 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:02,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:02,429 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:02,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:02,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:02,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:02,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:02,708 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:02,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/fermat1-ll.c [2024-09-11 20:48:04,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:04,441 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:04,442 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/fermat1-ll.c [2024-09-11 20:48:04,452 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7c5ece8cf/2d1293fe8b4340af8703fca854e6d417/FLAG2ff8a8bcc [2024-09-11 20:48:04,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7c5ece8cf/2d1293fe8b4340af8703fca854e6d417 [2024-09-11 20:48:04,802 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:04,803 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:04,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll.yml/witness-2.1.yml [2024-09-11 20:48:04,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:04,865 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:04,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:04,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:04,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:04,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:04" (1/2) ... [2024-09-11 20:48:04,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a68254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:04" (1/2) ... [2024-09-11 20:48:04,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60fa49a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:04" (2/2) ... [2024-09-11 20:48:04,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a68254 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:04" (2/2) ... [2024-09-11 20:48:04,894 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:04,898 INFO L1541 ArrayList]: Loop invariant at [L33-L53] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:48:04,898 INFO L1541 ArrayList]: Loop invariant at [L38-L44] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:48:04,898 INFO L1541 ArrayList]: Loop invariant at [L46-L52] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:48:04,898 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:04,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:05,092 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/fermat1-ll.c[535,548] [2024-09-11 20:48:05,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:05,121 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:05,152 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/fermat1-ll.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:48:05,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:05,185 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:05,186 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05 WrapperNode [2024-09-11 20:48:05,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:05,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:05,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:05,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:05,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,242 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:05,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:05,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:05,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:05,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:05,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:05,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:05,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:48:05,326 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:48:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:05,448 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:05,452 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:05,643 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:05,705 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:05,706 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:05,732 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:05,732 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:48:05,733 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:05 BoogieIcfgContainer [2024-09-11 20:48:05,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:05,734 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:05,734 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:05,735 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:05,735 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:04" (1/4) ... [2024-09-11 20:48:05,737 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1162a380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,737 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:04" (2/4) ... [2024-09-11 20:48:05,737 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1162a380 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,738 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05" (3/4) ... [2024-09-11 20:48:05,738 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1162a380 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,738 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:05" (4/4) ... [2024-09-11 20:48:05,740 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll.c [2024-09-11 20:48:05,745 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:48:05,746 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:05,746 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:05,746 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:05,747 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:05,747 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:05,747 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:05,747 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:05,748 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:05,748 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:05,748 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:05,749 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:05,749 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:05,749 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head, 4 loop-free subgraphs from loop head to error location [2024-09-11 20:48:05,809 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:05,810 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,810 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,810 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,811 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,843 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:05,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,844 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,844 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,860 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:05,879 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:05,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,880 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,880 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,880 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,890 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:05,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,891 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,891 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,891 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,896 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,898 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:05,924 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:05,924 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,924 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,928 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:05,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,928 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,928 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,929 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,929 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,931 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:05,945 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:05,945 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,946 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,946 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,946 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,949 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:05,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,950 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,950 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,950 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,952 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:05,965 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:05,965 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,966 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,966 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,966 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,973 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:05,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,974 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,975 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:05,987 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:05,987 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,987 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,987 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,988 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,995 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:05,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,996 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,996 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,996 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,997 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,000 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:06,015 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:06,015 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,015 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,015 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,016 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,021 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:06,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,025 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,025 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,027 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:06,041 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:06,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,044 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,051 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:06,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,052 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,052 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,052 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,052 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,054 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:06,064 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:06,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,065 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,071 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:06,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,072 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,072 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,074 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,076 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:06,088 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:06,088 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,088 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,089 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,089 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,091 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:06,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,092 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,092 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,092 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,093 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,095 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:06,107 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:06,107 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,107 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,107 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,107 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,108 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:06,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,109 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,109 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,109 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,109 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,111 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:06,123 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:06,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,124 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,126 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:06,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,126 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,126 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,127 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,128 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:06,131 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:06,131 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1162a380 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:06, skipping insertion in model container [2024-09-11 20:48:06,131 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:06,133 INFO L158 Benchmark]: Toolchain (without parser) took 1267.26ms. Allocated memory is still 161.5MB. Free memory was 89.9MB in the beginning and 57.0MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:06,133 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 115.3MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:06,133 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:06,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.36ms. Allocated memory is still 161.5MB. Free memory was 89.8MB in the beginning and 75.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:06,134 INFO L158 Benchmark]: Boogie Preprocessor took 81.33ms. Allocated memory is still 161.5MB. Free memory was 75.7MB in the beginning and 130.4MB in the end (delta: -54.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:48:06,134 INFO L158 Benchmark]: RCFGBuilder took 464.24ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 113.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:06,135 INFO L158 Benchmark]: Referee took 397.45ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 57.0MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:06,137 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 115.3MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.36ms. Allocated memory is still 161.5MB. Free memory was 89.8MB in the beginning and 75.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.33ms. Allocated memory is still 161.5MB. Free memory was 75.7MB in the beginning and 130.4MB in the end (delta: -54.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 464.24ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 113.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 397.45ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 57.0MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:06,160 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/fermat1-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:08,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:08,376 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:08,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:08,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:08,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:08,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:08,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:08,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:08,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:08,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:08,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:08,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:08,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:08,425 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:08,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:08,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:08,426 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:08,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:08,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:08,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:08,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:08,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:08,432 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:08,433 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:08,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:08,433 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:08,434 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:08,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:08,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:08,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:08,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:08,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:08,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:08,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:08,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:08,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:08,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:08,444 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:08,444 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:08,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:08,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:08,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:08,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:08,446 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:08,446 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:08,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:08,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:08,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:08,766 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:08,767 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:08,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll.yml/witness-2.1.yml [2024-09-11 20:48:08,823 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:08,823 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:08,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/fermat1-ll.c [2024-09-11 20:48:10,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:10,673 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:10,673 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/fermat1-ll.c [2024-09-11 20:48:10,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5f7b92a12/1b5d710f299044b588db1d48fe4532f2/FLAG546afe65b [2024-09-11 20:48:11,053 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5f7b92a12/1b5d710f299044b588db1d48fe4532f2 [2024-09-11 20:48:11,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:11,054 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:11,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:11,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:11,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:11,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:08" (1/2) ... [2024-09-11 20:48:11,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3cb91b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:11, skipping insertion in model container [2024-09-11 20:48:11,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:08" (1/2) ... [2024-09-11 20:48:11,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b36e777 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:11, skipping insertion in model container [2024-09-11 20:48:11,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:11" (2/2) ... [2024-09-11 20:48:11,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3cb91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11, skipping insertion in model container [2024-09-11 20:48:11,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:11" (2/2) ... [2024-09-11 20:48:11,077 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:11,078 INFO L1541 ArrayList]: Loop invariant at [L33-L53] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:48:11,078 INFO L1541 ArrayList]: Loop invariant at [L38-L44] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:48:11,078 INFO L1541 ArrayList]: Loop invariant at [L46-L52] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:48:11,079 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:11,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:11,258 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/fermat1-ll.c[535,548] [2024-09-11 20:48:11,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:11,312 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:11,349 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/fermat1-ll.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:48:11,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:11,394 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:11,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11 WrapperNode [2024-09-11 20:48:11,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:11,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:11,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:11,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:11,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (1/1) ... [2024-09-11 20:48:11,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (1/1) ... [2024-09-11 20:48:11,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (1/1) ... [2024-09-11 20:48:11,428 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:11,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (1/1) ... [2024-09-11 20:48:11,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (1/1) ... [2024-09-11 20:48:11,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (1/1) ... [2024-09-11 20:48:11,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (1/1) ... [2024-09-11 20:48:11,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (1/1) ... [2024-09-11 20:48:11,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (1/1) ... [2024-09-11 20:48:11,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:11,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:11,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:11,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:11,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (1/1) ... [2024-09-11 20:48:11,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:11,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:11,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:48:11,493 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:48:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:11,625 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:11,628 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:27,340 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:27,432 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:27,432 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:27,461 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:27,462 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:48:27,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:27 BoogieIcfgContainer [2024-09-11 20:48:27,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:27,464 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:27,465 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:27,466 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:27,466 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:08" (1/4) ... [2024-09-11 20:48:27,466 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e725c7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:27, skipping insertion in model container [2024-09-11 20:48:27,467 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:11" (2/4) ... [2024-09-11 20:48:27,467 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e725c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:27, skipping insertion in model container [2024-09-11 20:48:27,468 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11" (3/4) ... [2024-09-11 20:48:27,468 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e725c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:27, skipping insertion in model container [2024-09-11 20:48:27,468 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:27" (4/4) ... [2024-09-11 20:48:27,469 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll.c [2024-09-11 20:48:27,473 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:48:27,474 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:27,474 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:27,474 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:27,474 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:27,475 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:27,475 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:27,475 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:27,475 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:27,476 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:27,476 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:27,476 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:27,476 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:27,476 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 4 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-11 20:48:27,541 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:27,542 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:27,543 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:27,543 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:27,544 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:27,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:27,575 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:27,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:27,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:27,577 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:27,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:27,578 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:31,659 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:31,699 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:31,700 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:31,700 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:31,700 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:31,700 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:31,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:31,712 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:31,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:31,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:31,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:31,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:31,716 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:31,718 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:31,746 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:31,746 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:31,746 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:31,746 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:31,747 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:31,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:31,751 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:31,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:31,751 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:31,752 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:31,752 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:31,752 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:35,889 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:35,954 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:35,957 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:35,957 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:35,957 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:35,957 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:35,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:35,963 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:35,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:35,963 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:35,963 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:35,964 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:35,964 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,110 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:40,171 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:40,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,189 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:40,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,190 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,191 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,191 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,191 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:44,427 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:44,518 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:44,519 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:44,519 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:44,519 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:44,519 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:44,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,528 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:44,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:44,529 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:44,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:44,530 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:44,534 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:44,549 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:44,549 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:44,550 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:44,550 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:44,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:44,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,558 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:44,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,559 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:44,559 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:44,559 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:44,559 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:44,561 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:44,578 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:44,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:44,579 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:44,580 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:44,580 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:44,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,590 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:44,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,592 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:44,592 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:44,592 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:44,592 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:48,818 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:48,897 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:48,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:48,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:48,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:48,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:48,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,906 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:48,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,907 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:48,907 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:48,907 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:48,910 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:49,060 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:49,110 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:49,110 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:49,110 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:49,110 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:49,110 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:49,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,112 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:49,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,113 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:49,113 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:49,113 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:49,114 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:49,115 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:49,130 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:49,131 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:49,131 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:49,131 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:49,131 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:49,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,132 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:49,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:49,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:49,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:49,133 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:49,135 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:49,144 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:49,144 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:49,145 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:49,145 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:49,145 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:49,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,148 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:49,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:49,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:49,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:49,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:53,313 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:53,364 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:48:53,364 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e725c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:53, skipping insertion in model container [2024-09-11 20:48:53,364 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:53,365 INFO L158 Benchmark]: Toolchain (without parser) took 42310.42ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 32.7MB in the beginning and 37.7MB in the end (delta: -5.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:53,366 INFO L158 Benchmark]: Witness Parser took 0.99ms. Allocated memory is still 46.1MB. Free memory was 21.1MB in the beginning and 21.0MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:53,366 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 46.1MB. Free memory is still 29.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:53,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.93ms. Allocated memory is still 56.6MB. Free memory was 32.6MB in the beginning and 31.6MB in the end (delta: 963.2kB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-09-11 20:48:53,367 INFO L158 Benchmark]: Boogie Preprocessor took 62.15ms. Allocated memory is still 56.6MB. Free memory was 31.6MB in the beginning and 29.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:53,367 INFO L158 Benchmark]: RCFGBuilder took 16004.72ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 29.1MB in the beginning and 35.4MB in the end (delta: -6.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-09-11 20:48:53,368 INFO L158 Benchmark]: Referee took 25899.99ms. Allocated memory is still 71.3MB. Free memory was 35.4MB in the beginning and 37.7MB in the end (delta: -2.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:53,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 33. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.99ms. Allocated memory is still 46.1MB. Free memory was 21.1MB in the beginning and 21.0MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 46.1MB. Free memory is still 29.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.93ms. Allocated memory is still 56.6MB. Free memory was 32.6MB in the beginning and 31.6MB in the end (delta: 963.2kB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.15ms. Allocated memory is still 56.6MB. Free memory was 31.6MB in the beginning and 29.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 16004.72ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 29.1MB in the beginning and 35.4MB in the end (delta: -6.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Referee took 25899.99ms. Allocated memory is still 71.3MB. Free memory was 35.4MB in the beginning and 37.7MB in the end (delta: -2.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:53,441 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN